Platygnathus
The genus name Platygnathus may refer to:
- Platygnathus Audinet-Serville, 1832 (Animalia, Insecta, Cerambycidae)
- Platygnathus Krøyer, 1841 = Lestodon Gervais, 1855 (Animalia, Mammalia, Mylodontidae)
- Platygnathus Agassiz, 1844 =
(Animalia, Sarcopterygii, Osteolepididae)
- Platygnathus Hartlaub, 1852 =
(Animalia, Aves)